Cardiovascular ailment (CVD)is a main reason of morbidity and mortality worldwide. WHO reviews that there are almost 1 crore 20 Lakhs of deaths due to coronary heart illnesses. Early detection and correct prognosis of CVDs are important for powerful remedy and prevention. Monitoring the affected person for twenty-four hrs isn't continually feasible as it calls for plenty of understanding and time. Heart disorder remedy or prognosis are very complicated, specifically in growing countries or poor nations. The clinical enterprise has a big quantity of statistics and is constantly utilized by researchers to increase advancing technology and generation to limit sizeable quantity of deaths because of coronary heart sicknesses. A good buy of statistics mining and ML strategies or algorithms are to be had to fetch the statistics from databases and use this fetched statistics to expect the coronary heart sicknesses very accurately. This paper offers a comparative study of those 3 deep learning architectures for arrhythmia detection using electrocardiogram (ECG) signals. The overall performance of the models become evaluated using standard metrics together with accuracy, sensitivity, and specificity.